Home / 9,354.21-14,031.32-3,431.36

Finding the Fourth Proportional to 9,354.21, 14,031.32 and 3,431.36

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Solution

The fourth proportional to 9,354.21, 14,031.32 and 3,431.36 is: 5,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.21 : 14,031.32 = 3,431.36 : x
  2. Step 2: Convert to fraction form
    9,354.21/14,031.32 = 3,431.36/x
  3. Step 3: Cross multiply
    9,354.21x = 14,031.32 × 3,431.36
  4. Step 4: Simplify right side
    9,354.21x = 48,146,422.88
  5. Step 5: Solve for x
    x = 48,146,422.88/9,354.21
  6. Step 6: Final answer
    x = 5,147.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.